LG GX200 - Page 72

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4.7.3 Checking Flow
Start
LCM backlight will
operate properly
Check Voltage of
TP1 stauts ?
Re-work or change
KU202 and
Try again
Check Voltage of
TP2~TP6 stauts ?
NO
YES
YES
NO
YES
Re-work or change
KJ401 and change
LCD to MB FPC
Cable and Try again
Check LCM Panel
work properly ?
Change LCM Panel
Board and
Try again
NO
Check KJ301 soldering
work properly ?
Re-soldering KJ301
and Change KJ301
and Try again
NO
Check Sub Key Board
work properly ?
Change the Sub Key
Board and
Try again
NO
YES
YES